A break in the case of a young woman who vanished in South Carolina. A married couple have been arrested in connection with the sudden disappearance op heather Elvis. Reena ninan has the details. Reporter: This morning, a South Carolina couple believed to be linked to the mysterious disappearance of student heather Elvis has been charged with kidnaps. I believe they were involved. If they didn't do something to her, they know who did. Reporter: Her father checked her cell phone records. One number appeared multiple times, belonging to Sidney Mo Moorer. According to coworkers, she had a relationship with this gentleman. I didn't foe anything about it. Reporter: Heather vanished. Police believe she trove there willingly, but have no idea why. Her car was parked where it shouldn't be. She was nowhere to be found. It was locked. No one was answering her phone. Reporter: Moorer and his wife were charged on Sunday. Police haven't said why. They're parents. They have children. I think it would do them good to think about how we feel. Reporter: The attorney said Sidney has no connection to or knowledge of facts surrounding the disappearance of heather Elvis. To the best of my knowledge, tammy does not know heather Elvis at all. I don't think they have ever met. Reporter: The new kidnapping charge is a small victory for the Elvis family. They say it's not enough. If heather's safe, if she's unharm, I don't care what they do with them. They can turn them loose. Reporter: For "Good morning America," Reena ninan, ABC news, New York.

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